On a Smooth Hammerhead Shark, Sphyrna zygaena (Linnaeus. J 758) New to Indian Waters

Abstract

A mature female smooth hammerhead shark,
Sphyma zygael1a ( Linnaeus), 2 .14 cm TL (T<lbJe I).
was collected on 6- 10-1975 from the hook and line
fishing operated from the mechanised vessels off Porto
Novo at a depth of 80-90 meters. Since hammerheads
are ident ified from the shape of head and teeth s truCtures
only, the head has been preserved in the museum
of the Marine Resea rch Laboratory of Annamalai
University, Porto Novo.